changing value

Question

a=10; b=20
not using new variable and changing a and b's value
the result should be
print(a,b)
=> 20 10
different method( a,b=b,a not using this)
and it have to adapt for numbers

Answer 1

1- https://stackoverflow.com/questions/15035923/JUMP_LINK__&&__python__&&__JUMP_LINK-functions-changing-values

Answer 2

a = a+b;
b = a-b;
a = a-b;

Answer 3

You could do this:
a = a + b
b = a - b
a = a - b
It does the trick

Answer 4

@D_B your code works , no doubt.
But try to make one of the numbers 0 !!! Code will show error. That's why this method is not preferred.

Answer 5

Works also:

https://code.sololearn.com/ctmeSDIQOX5J/?ref=app

Answer 6

Working on it :D